Rack options  20 
Cable  Breaker Panel End 
(90° Lug) 
Input Module End 
(45° Lug) 
(E-PS3) BP-A3 
Red source -48 DC or Black return  BP-B1 
(E-PS4) 
(E-PS4) 
BP-B1 
Red source -48 DC or Black return  BP-B2 
(E-PS5) 
(E-PS5) 
BP-B2 
Red source -48 DC or Black return  BP-B3 
(E-PS6) 
(E-PS6) 
BP-B3 
 
Use the following DC cable connection configuration table to connect the DC power cables to the breaker 
panel and to the DC input module. 
Each of these connections is a pair of wires, one for -48V DC and one for return. 
 
 Breaker Panel DC Input Module 
(Power and return) 
Enclosure power supply 
A1 red source / A1 black return  PS1 
A2 red source / A2 black return  PS2 
A3 red source / A3 black return  PS3 
B1 red source / B1 black return  PS4 
B2 red source / B2 black return  PS5 
B3 red source / B3 black return  PS6 
 
 
  NOTE:  Remove the rack side panels for easier cable routing, if necessary. For more 
information, see the documentation that ships with the rack. 
 
To connect cables to the breaker panel: 
1.  Referring to the DC cable connection configuration table, connect a red source -48 DC volt cable to 
the left side of the A1 position with a 90° lug.